Hsing Michael sold MPWR
May 18, 2026 · Form 4 insider transaction
Hsing Michael sold 5,819 shares of Monolithic Power Systems, Inc. at $1467.62 per share, a transaction worth $8.54M. The trade was recorded as open-market sale and disclosed on an SEC Form 4, filed 2 days after the transaction.
Direction
Disposed (sell-side)
Shares
5,819
Price
$1467.62
Total value
$8.54M
InsiderHsing Michael
RoleOfficer, Director
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateMay 18, 2026
Filing dateMay 20, 2026
Shares owned after879,020
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $1,464.97 to $1,469.94. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.